Pet brush



FIG. 1 is a top perspective view of the present pet brush;

FIG. 2 is a left side view of the pet brush of FIG. 1 ;

FIG. 3 is a right side view of the pet brush of FIG. 1 ;

FIG. 4 is front view of the pet brush of FIG. 1 ;

FIG. 5 is a rear view of the pet brush of FIG. 1 ;

FIG. 6 is a top of the pet brush of FIG. 1 ; and,

FIG. 7 is a bottom view of the pet brush of FIG. 1 . 

CLAIM The ornamental design for a pet brush, as shown and described. 